CN213969370U - Device for positioning threaded nut - Google Patents
Device for positioning threaded nut Download PDFInfo
- Publication number
- CN213969370U CN213969370U CN202022366155.0U CN202022366155U CN213969370U CN 213969370 U CN213969370 U CN 213969370U CN 202022366155 U CN202022366155 U CN 202022366155U CN 213969370 U CN213969370 U CN 213969370U
- Authority
- CN
- China
- Prior art keywords
- groove
- positioning
- cylinder cover
- product
- threaded nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Gripping On Spindles (AREA)
Abstract
The utility model provides a device for positioning a threaded nut, which comprises a collet chuck body, a cylinder cover and a wave ball screw, wherein the collet chuck body comprises a front annular area, a fixed area and a rear annular area which are integrally arranged from head to tail, the overall shape of the collet chuck body is in a cylinder shape, the fixed area consists of a groove arranged on the collet chuck body and a cylinder cover covered on the groove, and the groove and the cylinder cover are fixed through bolts; the collet chuck is characterized in that a positioning hole is formed in the collet chuck body and located below the groove, a bead screw is arranged in the positioning hole and consists of a spring, a steel ball and a shell, and the spring with certain pressure pushes the ball to move so that the locking piece can smoothly run. The utility model has simple structure and convenient operation, and utilizes the fixed tooling of the nut, the product is inserted into the tooling fixture to prevent the product from moving up and down and running, thereby ensuring stable clamping action; the steel ball screw is utilized to accurately position the product; the deformation of the heat treatment processing can not be influenced.
Description
Technical Field
The utility model relates to a thread grinder frock field especially relates to a device for positioning thread nut.
Background
The existing clamp is three-jaw, each jaw requiring adjustment. Later only utilize the frock of a unified clamp, but need unilateral cutting open in this frock production, utilize the screw to tighten on one side, the other end leans on the frock to fix with self elastic deformation, has the problem of processing on the technology:
1. firstly, heat treatment is carried out, and then opening is carried out, but the material becomes hard after heat treatment, so that the opening can not be cut;
2. the opening is performed firstly, and then the heat treatment is performed, so that the tool is easy to deform;
finally, the precision problem of tool clamping exists.
Published chinese utility model patent, application No. CN201020121162.8, patent name: an open internal thread mould system of processing, application date: 20100302, the utility model relates to an open type internal thread mould processing system, which comprises a tool clamp and a thread part; the threaded part is arranged above the tool clamp and is fixed on the tool clamp by a screw; the tool clamp is provided with a plurality of grooves; the threaded member includes a first threaded member and a second threaded member. The utility model discloses an internal thread processing high accuracy, no disconnected poor, the effect of no dislocation to accord with product design, requirement of use.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a device for positioning a threaded nut, which comprises a collet chuck body, a cylinder cover 1 and a wave ball screw 8, wherein the collet chuck body comprises a front annular area 2, a fixed area 3 and a rear annular area 4 which are integrally arranged from head to tail, the overall shape of the collet chuck body is in a cylinder shape, the fixed area 3 consists of a groove 5 arranged on the collet chuck body and the cylinder cover 1 covered on the groove 5, and the groove 5 and the cylinder cover 1 are fixed through bolts;
a positioning hole 6 is formed in the collet body and located below the groove 5, a bead screw 8 is arranged in the positioning hole 6 and consists of a spring, a steel ball and a shell, and the spring with certain pressure pushes the ball to move so that the locking piece can smoothly operate;
the steel ball 81 on the top of the wave ball screw 8 is clamped and positioned with the positioning hole of the product.
Preferably, the height of the groove 5 is no greater than the radius of the collet body.
Preferably, bolt holes 7 for mounting the bolts are provided on both end faces in the radial direction of the cylinder cover 1.
Preferably, the bolt holes 7 are provided in a pair.
Preferably, the cylinder cover 1 is provided with vertical bolt holes 7 at both ends in the radial direction, and the bolt holes 7 are correspondingly provided at the barrel wall of the groove 5 of the cylinder body.
Preferably, the sum of the lengths of the front annular zone 2 and the anchoring zone 3 is not greater than the length of the rear annular zone 4.
Preferably, the difference between the inside diameter of the collet body and the outside diameter of the product is 1-2 mm.
The utility model has the advantages that: the structure is simple, the operation is convenient, the front part and the rear part have the compressing function, and the design of the cylinder cover is utilized;
on one hand, the groove and the cylinder cover corresponding to the groove are fixed through the bolt to press the product, so that the product is prevented from moving up and down and running;
on the other hand, the clamp tool is not provided with a transverse long notch and is provided with a complete annular front annular area 2 and a complete annular rear annular area 4, so that the front and the rear of the clamp can be tightly pressed, and the stable clamping effect is ensured;
on the other hand, by utilizing the matching of the wave ball screw 8 and the positioning hole 6, the positioning hole of the product is just clamped with the steel ball of the wave ball screw 8 relatively, and is accurately positioned with the product, so that the cutting-in angle of the grinding wheel can be ensured to be consistent with the internal thread of the product when the grinding wheel is used;
on the other hand, because the production process is firstly heat treatment, the inner hole and the outer ring can be simultaneously ground and cut, and then the cylinder cover is cut open by linear cutting, the deformation of the heat treatment processing cannot be influenced, the production and processing difficulty is reduced, a transverse strip-shaped opening on one side of the existing clamp cannot be generated, the precision of clamping a product is ensured, and the front and back sizes and the center height are on the same horizontal line.
Drawings
FIG. 1 is a three-dimensional structure of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a top view of the collet body and cover of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
in the figure, the position of the upper end of the main shaft,
1. a cylinder cover; 2. a front annular region; 3. a fixed zone; 4. a rear annular region; 5. a groove; 6. positioning holes; 7. bolt holes; 8. a bead screw.
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1-4, the present invention comprises: the collet comprises a collet body, a cylinder cover 1 and a ball screw 8, wherein the collet body comprises a front annular region 2, a fixed region 3 and a rear annular region 4 which are integrally arranged from head to tail, the overall shape of the collet body is cylindrical, the fixed region 3 consists of a groove 5 arranged on the collet body and a cylinder cover 1 covered on the groove 5, and the groove 5 and the cylinder cover 1 are fixed through bolts;
a positioning hole 6 is formed in the collet body and located below the groove 5, a bead screw 8 is arranged in the positioning hole 6 and consists of a spring, a steel ball and a shell, and the spring with certain pressure pushes the ball to move so that the locking piece can smoothly operate;
the steel ball 81 on the top of the wave ball screw 8 is clamped and positioned with the positioning hole of the product.
In use, the product is inserted into the tool clamp by utilizing the fixing tool of the nut,
on one hand, the groove and the cylinder cover corresponding to the groove are fixed through the bolt to press the product, so that the product is prevented from moving up and down and running;
on the other hand, the clamp tool is not provided with a transverse long notch and is provided with a complete annular front annular area 2 and a complete annular rear annular area 4, so that the front and the rear of the clamp can be tightly pressed, and the stable clamping effect is ensured;
on the other hand, by utilizing the matching of the ball screw 8 and the positioning hole 6, a product enters the tool, the steel ball 81 of the ball screw is pressed into the shell 83 under the pressure action of the product, when the product reaches the positioning hole of the product, a space is generated, the steel ball 81 rises under the action of the spring 82, is just clamped with the positioning hole of the product and is accurately positioned with the product, and the cutting angle of the grinding wheel can be ensured to be consistent with the internal thread of the product when the grinding wheel is used;
on the other hand, because the production process is firstly heat treatment, the inner hole and the outer ring can be simultaneously subjected to die cutting and processing, and then the cylinder cover is cut open by linear cutting, the deformation of the heat treatment processing cannot be influenced, a transverse strip-shaped opening on one side of the existing clamp cannot be generated, the precision of clamping a product is ensured, and the front part and the rear part can be consistent.
In this embodiment it is preferred that the height of the groove 5 is no greater than the radius of the collet body.
Set up above-mentioned structure, the radius of barrel is not exceeded as high as possible for recess 5 opening is little, and in this frock production, can not influence the rigidity of frock after the wire-electrode cutting, also can not produce and warp, in addition in use, after the installation product, can not influence the rigidity of whole collet chuck.
In the present embodiment, it is preferable that bolt holes 7 for mounting the bolts be provided on both end surfaces in the radial direction of the cylinder cover 1.
In the present embodiment, it is preferable that a pair of bolt holes 7 is provided.
In the present embodiment, it is preferable that the cylinder cover 1 is provided with vertical bolt holes 7 at both ends in the radial direction, and the bolt holes 7 are correspondingly provided at the barrel wall of the groove 5 of the collet body.
Set up above-mentioned structure, utilize a pair of screw that sets up along the axial to fix and compress tightly the product, play the fixed action to the product, guarantee the precision when boring the screw thread, improve the product quality.
In the present embodiment, it is preferred that the sum of the lengths of the front annular zone 2 and the anchoring zone 3 is not greater than the length of the rear annular zone 4.
Set up above-mentioned structure, fixed area 3 is close to preceding annular region 2 setting as far as, reduces the change of back annular region 4, is favorable to guaranteeing the stability of the power of back annular region 4, and the unchangeable of shape, preceding annular region 2 and fixed area 3 also can be minimum not change the rigidity of frock under the effect of bolt.
In this embodiment, the difference between the collet body inner diameter and the product outer diameter is preferably 1-2 mm.
By the structure, the gap is within the tolerance range, so that the product can be conveniently mounted and pulled out, and the clamping and the use are avoided.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. The device for positioning the threaded nut is characterized by comprising a collet body, a cylinder cover (1) and a wave ball screw (8), wherein the collet body comprises a front annular area (2), a fixing area (3) and a rear annular area (4) which are integrally arranged end to end, the overall shape of the collet body is cylindrical, the fixing area (3) consists of a groove (5) formed in the collet body and the cylinder cover (1) covering the groove (5), and the groove (5) and the cylinder cover (1) are fixed through bolts;
and a positioning hole (6) is formed in the collet body and positioned below the groove (5), a bead screw (8) is arranged in the positioning hole (6), and a steel ball at the top of the bead screw (8) and the positioning hole of the product are clamped and positioned with each other.
2. A device for positioning a threaded nut according to claim 1, characterized in that: the height of the groove (5) is not more than the radius of the collet body.
3. A device for positioning a threaded nut according to claim 2, characterized in that: and bolt holes (7) for mounting the bolts are formed in the end faces of two radial sides of the cylinder cover (1).
4. A device for positioning a threaded nut according to claim 3, characterized in that: the bolt holes (7) are provided with a pair.
5. An apparatus for positioning a threaded nut according to claim 4, wherein: the cylinder cover (1) is provided with vertical bolt holes (7) at two ends along the radial direction, and the bolt holes (7) are correspondingly arranged on the cylinder wall of the groove (5) of the cylinder clamp body.
6. An apparatus for positioning a threaded nut according to claim 5, wherein: the sum of the lengths of the front annular zone (2) and the fixing zone (3) is not greater than the length of the rear annular zone (4).
7. An apparatus for positioning a threaded nut according to claim 6, wherein: the difference between the inner diameter of the collet body and the outer diameter of the product is 1-2 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022366155.0U CN213969370U (en) | 2020-10-21 | 2020-10-21 | Device for positioning threaded nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022366155.0U CN213969370U (en) | 2020-10-21 | 2020-10-21 | Device for positioning threaded nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213969370U true CN213969370U (en) | 2021-08-17 |
Family
ID=77258053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022366155.0U Active CN213969370U (en) | 2020-10-21 | 2020-10-21 | Device for positioning threaded nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213969370U (en) |
-
2020
- 2020-10-21 CN CN202022366155.0U patent/CN213969370U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108723814B (en) | Thin-wall rotating part flange surface drilling and milling fixture | |
| CN202539613U (en) | A locating assisting device for a three-jaw hollow hydraulic chuck of a numerically controlled lathe | |
| CN201645173U (en) | Elastic chuck composite tooling for turning machine | |
| CN213969370U (en) | Device for positioning threaded nut | |
| CN102101195B (en) | Hydraulic milling fixture for multi-position precision machining of square housing | |
| CN213969368U (en) | Tool clamp for clamping threaded nut | |
| CN2637042Y (en) | Expansion type internal centering elastic clamping device | |
| CN210046020U (en) | Internal spline core expansion type machine tool fixture | |
| CN203401395U (en) | External grinding tool used for sleeve type part | |
| CN215615561U (en) | Workpiece extruding and fixing tool | |
| CN109365915A (en) | A kind of primary machining lathe of crucible | |
| CN214722329U (en) | Fixing device | |
| CN213889054U (en) | Universal clamping fixture structure for finish turning of flange end cover | |
| CN210255297U (en) | Pull rod structure for numerical control lathe | |
| CN109366237B (en) | Turning tool | |
| CN107457417B (en) | Cutter disc inner hole clamping tool | |
| CN107052379B (en) | Aperture knife tool in a kind of small-bore | |
| CN102152138A (en) | Special clamp for turning titanium alloy thin-wall part with complex profile | |
| CN216151777U (en) | Frock clamp for components of a whole that can function independently holder | |
| CN109759858B (en) | Work fixture | |
| CN221019772U (en) | Long shaft auxiliary supporting structure | |
| CN219402355U (en) | Tool for turning right-angle die forging connector | |
| CN202825248U (en) | Lathe machining clamping fixture | |
| CN219617197U (en) | Special tool for machining special-shaped thin-wall part | |
| CN219053600U (en) | Seat pipe clamp processing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |